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Finding the Fourth Proportional to 571,375.38, 857,121.42 and 197,349.78

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Solution

The fourth proportional to 571,375.38, 857,121.42 and 197,349.78 is: 296,044.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,375.38 : 857,121.42 = 197,349.78 : x
  2. Step 2: Convert to fraction form
    571,375.38/857,121.42 = 197,349.78/x
  3. Step 3: Cross multiply
    571,375.38x = 857,121.42 × 197,349.78
  4. Step 4: Simplify right side
    571,375.38x = 169,152,723,670.29
  5. Step 5: Solve for x
    x = 169,152,723,670.29/571,375.38
  6. Step 6: Final answer
    x = 296,044.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.